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Molecular formula

C16H16N4O3

238 compounds have this formula on CompoundList.

Molar mass
312.33g/mol
Monoisotopic mass
312.1222Da
Atoms
39
Elements
4
Rings plus double bonds
11

The formula C16H16N4O3 describes a molecule made of 16 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 1661.53%
    12.011 × 16 = 192.176 g/mol
  • H Hydrogen × 165.16%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 417.94%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 315.37%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C16H16N4O3

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 201 to 238 of 238 compounds

6-[2-Amino-4-(2-methoxyethoxy)pyrido[3,2-d]pyrimidin-6(5H)-ylidene]cyclohexa-2,4-dien-1-one chemical structure, C16H16N4O3, CAS 917759-36-5
6-[2-Amino-4-(2-methoxyethoxy)pyrido[3,2-d]pyrimidin-6(5H)-ylidene]cyclohexa-2,4-dien-1-one
CAS 917759-36-5C16H16N4O3
4-[2-Amino-4-(2-methoxyethoxy)pyrido[3,2-d]pyrimidin-6(5H)-ylidene]cyclohexa-2,5-dien-1-one chemical structure, C16H16N4O3, CAS 917759-35-4
4-[2-Amino-4-(2-methoxyethoxy)pyrido[3,2-d]pyrimidin-6(5H)-ylidene]cyclohexa-2,5-dien-1-one
CAS 917759-35-4C16H16N4O3
1-{2-[3-(1H-1,3-Benzodiazol-1-yl)azetidin-1-yl]-2-oxoethyl}pyrrolidine-2,5-dione chemical structure, C16H16N4O3, CAS 2380178-14-1
1-{2-[3-(1H-1,3-Benzodiazol-1-yl)azetidin-1-yl]-2-oxoethyl}pyrrolidine-2,5-dione
CAS 2380178-14-1C16H16N4O3
5-[(5-Methyl-1,2,4-oxadiazol-3-yl)methyl]-2-phenyl-octahydropyrrolo[3,4-c]pyrrole-1,3-dione chemical structure, C16H16N4O3, CAS 2415552-43-9
5-[(5-Methyl-1,2,4-oxadiazol-3-yl)methyl]-2-phenyl-octahydropyrrolo[3,4-c]pyrrole-1,3-dione
CAS 2415552-43-9C16H16N4O3
N-{2-Hydroxy-2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}-5-methyl-1,2-oxazole-3-carboxamide chemical structure, C16H16N4O3, CAS 2415622-07-8
N-{2-Hydroxy-2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}-5-methyl-1,2-oxazole-3-carboxamide
CAS 2415622-07-8C16H16N4O3
(S)-9-Hydroxy-8-methoxy-1-methyl-1,4,12a,13-tetrahydro-6H-benzo[e]imidazo[4',5':4,5]pyrido[1,2-a][1,4]diazepin-6-one chemical structure, C16H16N4O3, CAS 2417368-20-6
(S)-9-Hydroxy-8-methoxy-1-methyl-1,4,12a,13-tetrahydro-6H-benzo[e]imidazo[4',5':4,5]pyrido[1,2-a][1,4]diazepin-6-one
CAS 2417368-20-6C16H16N4O3
N-(3,5-Dimethoxyphenyl)-2-methylimidazo[1,2-b]pyridazine-6-carboxamide chemical structure, C16H16N4O3, CAS 2640934-23-0
N-(3,5-Dimethoxyphenyl)-2-methylimidazo[1,2-b]pyridazine-6-carboxamide
CAS 2640934-23-0C16H16N4O3
4-Nitro-2-({[(2S)-2-(pyridin-3-yl)pyrrolidin-1-yl]imino}methyl)phenol chemical structure, C16H16N4O3, CAS 16543-59-2
4-Nitro-2-({[(2S)-2-(pyridin-3-yl)pyrrolidin-1-yl]imino}methyl)phenol
CAS 16543-59-2C16H16N4O3
Methyl (2E)-4-oxo-4-[3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl]but-2-enoate chemical structure, C16H16N4O3, CAS 2411334-97-7
Methyl (2E)-4-oxo-4-[3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl]but-2-enoate
CAS 2411334-97-7C16H16N4O3
2-Pyridinecarboxamide, N-(2,6-dioxo-3-piperidinyl)-5-(3-ethynyl-1-azetidinyl)- chemical structure, C16H16N4O3, CAS 2900372-40-7
2-Pyridinecarboxamide, N-(2,6-dioxo-3-piperidinyl)-5-(3-ethynyl-1-azetidinyl)-
CAS 2900372-40-7C16H16N4O3
3-[5-(3-Aminoprop-1-yn-1-yl)-3-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-1-yl]piperidine-2,6-dione chemical structure, C16H16N4O3, CAS 2912302-63-5
3-[5-(3-Aminoprop-1-yn-1-yl)-3-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-1-yl]piperidine-2,6-dione
CAS 2912302-63-5C16H16N4O3
Morpholine, 4-[4-[2-(3-nitrophenyl)diazenyl]phenyl]- chemical structure, C16H16N4O3, CAS 347353-64-4
Morpholine, 4-[4-[2-(3-nitrophenyl)diazenyl]phenyl]-
CAS 347353-64-4C16H16N4O3
beta-Alanine, N-[4-[(4-aminophenyl)azo]benzoyl]-(9CI) chemical structure, C16H16N4O3, CAS 93375-99-6
beta-Alanine, N-[4-[(4-aminophenyl)azo]benzoyl]-(9CI)
CAS 93375-99-6C16H16N4O3
1-(1-(Isoxazole-5-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C16H16N4O3, CAS 521173-80-8
1-(1-(Isoxazole-5-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 521173-80-8C16H16N4O3
Ethyl 5-(1,3-dihydroisoindole-2-carbonylamino)pyrazine-2-carboxylate chemical structure, C16H16N4O3, CAS 1375745-74-6
Ethyl 5-(1,3-dihydroisoindole-2-carbonylamino)pyrazine-2-carboxylate
CAS 1375745-74-6C16H16N4O3
4-[2-(4-Nitrophenyl)hydrazinylidene]-N-phenylbutanamide chemical structure, C16H16N4O3, CAS 88460-94-0
4-[2-(4-Nitrophenyl)hydrazinylidene]-N-phenylbutanamide
CAS 88460-94-0C16H16N4O3
N-Methyl-4-[(E)-(4-nitrophenyl)diazenyl]-N-[(oxiran-2-yl)methyl]aniline chemical structure, C16H16N4O3, CAS 91037-58-0
N-Methyl-4-[(E)-(4-nitrophenyl)diazenyl]-N-[(oxiran-2-yl)methyl]aniline
CAS 91037-58-0C16H16N4O3
Ethyl 4-((3-methoxyphenyl)amino)pyrrolo[2,1-F][1,2,4]triazine-5-carboxylate chemical structure, C16H16N4O3, CAS 1408064-99-2
Ethyl 4-((3-methoxyphenyl)amino)pyrrolo[2,1-F][1,2,4]triazine-5-carboxylate
CAS 1408064-99-2C16H16N4O3
N-(2-((3,5-Dimethyl-1H-pyrazol-4-yl)methyl)-1,3-dioxoisoindolin-4-yl)acetamide chemical structure, C16H16N4O3, CAS 50699-20-2
N-(2-((3,5-Dimethyl-1H-pyrazol-4-yl)methyl)-1,3-dioxoisoindolin-4-yl)acetamide
CAS 50699-20-2C16H16N4O3
3-Amino-4-[4-(2,3-dihydro-2-oxo-1H-benzo[d]imidazol-1-yl)piperidin-1-yl]-3-cyclobutene-1,2-dione chemical structure, C16H16N4O3, CAS 1357453-88-3
3-Amino-4-[4-(2,3-dihydro-2-oxo-1H-benzo[d]imidazol-1-yl)piperidin-1-yl]-3-cyclobutene-1,2-dione
CAS 1357453-88-3C16H16N4O3
4-[2-(4-Nitrophenyl)hydrazinylidene]-2-[(E)-(propylimino)methyl]cyclohexa-2,5-dien-1-one chemical structure, C16H16N4O3, CAS 648894-89-7
4-[2-(4-Nitrophenyl)hydrazinylidene]-2-[(E)-(propylimino)methyl]cyclohexa-2,5-dien-1-one
CAS 648894-89-7C16H16N4O3
1-(2-Methoxypyridin-4-yl)-4-(pyridine-4-carbonyl)piperazin-2-one chemical structure, C16H16N4O3, CAS 2380097-02-7
1-(2-Methoxypyridin-4-yl)-4-(pyridine-4-carbonyl)piperazin-2-one
CAS 2380097-02-7C16H16N4O3
7-(4-Ethoxyphenyl)-2-(prop-2-en-1-yl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione chemical structure, C16H16N4O3, CAS 2640897-47-6
7-(4-Ethoxyphenyl)-2-(prop-2-en-1-yl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione
CAS 2640897-47-6C16H16N4O3
2-{3-[(5-Methoxypyrimidin-2-yl)oxy]pyrrolidin-1-yl}-1,3-benzoxazole chemical structure, C16H16N4O3, CAS 2742079-40-7
2-{3-[(5-Methoxypyrimidin-2-yl)oxy]pyrrolidin-1-yl}-1,3-benzoxazole
CAS 2742079-40-7C16H16N4O3

Frequently asked questions

What is the molar mass of C16H16N4O3?

The molar mass of C16H16N4O3 is 312.33 g/mol, calculated from standard atomic weights for 16 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 312.1222 Da.

How many compounds have the formula C16H16N4O3?

CompoundList lists 238 compounds with the molecular formula C16H16N4O3, including 6-[2-Amino-4-(2-methoxyethoxy)pyrido[3,2-d]pyrimidin-6(5H)-ylidene]cyclohexa-2,4-dien-1-one, 4-[2-Amino-4-(2-methoxyethoxy)pyrido[3,2-d]pyrimidin-6(5H)-ylidene]cyclohexa-2,5-dien-1-one, 1-{2-[3-(1H-1,3-Benzodiazol-1-yl)azetidin-1-yl]-2-oxoethyl}pyrrolidine-2,5-dione. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C16H16N4O3?

C16H16N4O3 has a degree of unsaturation of 11. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.